Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 100 ppm 150 ppm 200 ppm 50 ppm 100 ppm 150 ppm 200 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 1000 kg of sewage contains 0.112 kg in suspension 0.225 kg in solution 0.112 kg in solution Both A and C of above 0.112 kg in suspension 0.225 kg in solution 0.112 kg in solution Both A and C of above ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is 20 10 5 15 20 10 5 15 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer ventilating columns are generally placed at Distances 150 m to 300 m Every change in the size of sewers All listed here Upper ends of branch sewers Distances 150 m to 300 m Every change in the size of sewers All listed here Upper ends of branch sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following resists hydrogen sulphide corrosion? Glazed ware R.C.C. Asbestos cement Glazed stone wares Glazed ware R.C.C. Asbestos cement Glazed stone wares ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Ventilating shafts are provided to a sewer line at every 100 m 150 m 300 m 200 m 100 m 150 m 300 m 200 m ANSWER DOWNLOAD EXAMIANS APP